Nine volt battery safety cap



FIG. 1 is a front view of a nine volt battery safety cap, a back view being identical;

FIG. 2 is a left side view thereof, the right side view being identical;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof; and,

FIG. 5 is a top front side perspective view thereof. 

CLAIM The ornamental design for a nine volt battery cap, as shown and described. 